.box {
  width: 400px;
  height: 300px;
  background: url(./bg.png);
  background-size: 400px 300px;
}
.box > .top {
  padding: 0 1em;
}
.box > .top >.title{
  line-height: 3em;
  font-weight: bold;
} 
.box > .content {
  padding: 0 1em;
}